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demos
vessel manuevering models
- 2011-10-12 02:01:08下载
- 积分:1
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11
说明: empirical formula with kaiser
clc
clear all
fs=1000
fc=250
df=50
r=0.001
f=fc/fs
dw=2*pi*(df/fs)
a=-20*log(r)
n=floor(((a-8)/(2.285*dw))+1)
if a>50
b=0.1102*(a-8.7)
elseif a>=21 && a<=50
b=0.5842*((a-21)^0.4)+0.07886*(a-21)
elseif a<21
b=0.0
end
w=kaiser(n,b)
for i=1:n
if i~=(n-1)/2
hd(i)= (2*f*sin((i-((n-1)/2))*2*pi*f))/((i-((n-1)/2))*2*pi*f)
elseif i==(n-1)/2
hd(i)=2*f
end
end
for j=1:n
h(j)=w(j)*hd(j)
end
subplot(3,1,1), plot(w)
subplot(3,1,2), plot(h)
subplot(3,1,3), plot(h,n)
- 2014-12-24 23:20:03下载
- 积分:1
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shipinchuli
本程序用于提取视频中的某种颜色,颜色可以自行设置。通俗易懂,且结果准确。(This program is used to extract a color video, you can set your own color. Easy to understand, and the results are accurate.)
- 2015-03-16 15:14:58下载
- 积分:1
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yingli
说明: 本程序适用于一阶超静定问题,是一种三赶简单问题.(This procedure applies to first-order indeterminate problems is a three time for simple questions.)
- 2010-04-18 15:43:29下载
- 积分:1
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source123
基于源板块法的matlab模拟无升力圆柱绕流程序。空气动力学中的一个实验(Matlab source plate method based on simulation of flow around a cylinder without lift procedure. Aerodynamics of an experiment)
- 2011-05-20 21:45:43下载
- 积分:1
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eyefinder
定位眼神的程序,有mATLAbC++多种版本可供使用(Positioning the eyes of the program, mATLAb C++ multiple versions available)
- 2012-07-16 14:39:03下载
- 积分:1
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bayesleastrisk
贝叶斯最小风险分类器 水处理数据matlab(Minimum risk classifier)
- 2014-10-14 13:01:02下载
- 积分:1
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Four_and_Eight_Neighbours_Connectivity
Matlab code for 4-connectivity and 8-connectivity neighbours
- 2013-10-20 17:40:03下载
- 积分:1
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filter
用matlab来实现傅叶定理,出现高通与低通的图片。(Using MATLAB to achieve the Fourier theorem, appear high and low pass.)
- 2015-04-21 20:48:41下载
- 积分:1
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timeandfreqdomain
This code takes data received from a bearing and converts it from the time
domain to the frequency domain in order to determine bearing defect size.
- 2009-02-19 00:40:51下载
- 积分:1